.page-disclaimer {
  --disclaimer-gold: #D4AF37;
  --disclaimer-red: #C41E3A;
  --disclaimer-dark: #1A1A1A;
  --disclaimer-mid: #2C2C2C;
  --disclaimer-bg: #F8F8F8;
  --disclaimer-card-bg: #FFFFFF;
  --disclaimer-text: #1A1A1A;
  --disclaimer-muted: #5A5A5A;
  --disclaimer-light-border: #E5E5E5;
  --disclaimer-gold-bg: #FDF8EE;
  --disclaimer-radius: 0;
  --disclaimer-transition: 0.25s ease;

  display: block;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  background-color: var(--disclaimer-bg);
  color: var(--disclaimer-text);
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  min-height: 70vh;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .disclaimer-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--disclaimer-muted);
  margin-bottom: 1.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--disclaimer-light-border);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  letter-spacing: 0.02em;
}
.page-disclaimer .disclaimer-breadcrumb a {
  color: var(--disclaimer-muted);
  text-decoration: none;
  transition: color var(--disclaimer-transition);
}
.page-disclaimer .disclaimer-breadcrumb a:hover {
  color: var(--disclaimer-red);
}
.page-disclaimer .disclaimer-breadcrumb .breadcrumb-sep {
  color: var(--disclaimer-light-border);
  font-weight: 300;
}
.page-disclaimer .disclaimer-breadcrumb [aria-current="page"] {
  color: var(--disclaimer-dark);
  font-weight: 600;
}

/* ---------- 标题区 ---------- */
.page-disclaimer .disclaimer-header {
  margin-bottom: 2.5rem;
}
.page-disclaimer .disclaimer-title-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.page-disclaimer .disclaimer-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
}
.page-disclaimer .disclaimer-title {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--disclaimer-dark);
  margin: 0;
  line-height: 1.25;
}
.page-disclaimer .disclaimer-intro {
  font-size: 1rem;
  color: var(--disclaimer-muted);
  max-width: 800px;
  margin: 0.75rem 0 0;
  padding: 0.75rem 0 0 1.25rem;
  border-left: 3px solid var(--disclaimer-gold);
  line-height: 1.7;
}

/* ---------- 内容主体 ---------- */
.page-disclaimer .disclaimer-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

/* ---------- 条款卡片 ---------- */
.page-disclaimer .disclaimer-section {
  display: flex;
  gap: 1.25rem;
  background: var(--disclaimer-card-bg);
  border-left: 4px solid var(--disclaimer-gold);
  padding: 1.5rem 1.75rem 1.5rem 1.5rem;
  transition: border-color var(--disclaimer-transition), box-shadow var(--disclaimer-transition);
}
.page-disclaimer .disclaimer-section:hover {
  border-left-color: var(--disclaimer-red);
  box-shadow: 0 2px 12px rgba(196, 30, 58, 0.06);
}
.page-disclaimer .section-number {
  flex-shrink: 0;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--disclaimer-red);
  line-height: 1;
  min-width: 2.6rem;
  padding-top: 0.1rem;
  user-select: none;
}
.page-disclaimer .section-content {
  flex: 1;
  min-width: 0;
}
.page-disclaimer .section-title {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--disclaimer-dark);
  margin: 0 0 0.5rem;
  letter-spacing: 0.03em;
}
.page-disclaimer .section-summary {
  font-size: 0.95rem;
  color: var(--disclaimer-muted);
  margin: 0 0 0.5rem;
  line-height: 1.7;
}

/* ---------- details 展开组件 ---------- */
.page-disclaimer .section-details {
  margin-top: 0.25rem;
  border: none;
  background: transparent;
}
.page-disclaimer .details-summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--disclaimer-red);
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  border: 1px solid transparent;
  border-radius: 0;
  transition: background var(--disclaimer-transition), border-color var(--disclaimer-transition);
  user-select: none;
  list-style: none;
}
.page-disclaimer .details-summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .details-summary::before {
  content: "＋";
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 300;
  font-size: 0.9rem;
  transition: transform var(--disclaimer-transition);
  color: var(--disclaimer-gold);
  margin-right: 0.25rem;
}
.page-disclaimer .section-details[open] .details-summary::before {
  content: "−";
  transform: rotate(0deg);
}
.page-disclaimer .details-summary:hover {
  background: var(--disclaimer-gold-bg);
  border-color: var(--disclaimer-gold);
}
.page-disclaimer .details-summary:focus-visible {
  outline: 2px solid var(--disclaimer-gold);
  outline-offset: 2px;
}
.page-disclaimer .details-body {
  margin-top: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--disclaimer-gold-bg);
  border-left: 3px solid var(--disclaimer-gold);
  font-size: 0.93rem;
  color: var(--disclaimer-text);
  line-height: 1.7;
}
.page-disclaimer .details-body p {
  margin: 0 0 0.6rem;
}
.page-disclaimer .details-body p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .details-body ul {
  margin: 0.4rem 0 0.6rem;
  padding-left: 1.25rem;
  list-style: disc;
}
.page-disclaimer .details-body li {
  margin-bottom: 0.3rem;
  color: var(--disclaimer-muted);
}
.page-disclaimer .details-body a {
  color: var(--disclaimer-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--disclaimer-transition);
}
.page-disclaimer .details-body a:hover {
  color: var(--disclaimer-gold);
}

/* ---------- 更新日期 ---------- */
.page-disclaimer .disclaimer-update {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--disclaimer-dark);
  color: var(--disclaimer-card-bg);
  font-size: 0.9rem;
  position: relative;
  border-left: 4px solid var(--disclaimer-gold);
}
.page-disclaimer .update-label {
  font-weight: 600;
  color: var(--disclaimer-gold);
  letter-spacing: 0.04em;
}
.page-disclaimer .update-date {
  font-weight: 700;
  color: var(--disclaimer-card-bg);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  letter-spacing: 0.02em;
}
.page-disclaimer .update-hint {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  margin-left: auto;
  font-style: italic;
}
.page-disclaimer .disclaimer-update[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 1.5rem;
  background: var(--disclaimer-mid);
  color: var(--disclaimer-card-bg);
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  white-space: nowrap;
  max-width: 360px;
  white-space: normal;
  border-left: 3px solid var(--disclaimer-gold);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  z-index: 10;
  line-height: 1.5;
}

/* ---------- 底部装饰剪影 ---------- */
.page-disclaimer .disclaimer-footer-visual {
  margin-top: 2rem;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}
.page-disclaimer .footer-silhouette {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  object-position: center bottom;
  opacity: 0.5;
  mix-blend-mode: multiply;
}
.page-disclaimer .footer-silhouette:hover {
  opacity: 0.7;
}

/* ========== 移动端响应（窄屏优先） ========== */
@media (max-width: 640px) {
  .page-disclaimer {
    padding: 1.25rem 1rem 2rem;
  }
  .page-disclaimer .disclaimer-breadcrumb {
    font-size: 0.78rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
  }
  .page-disclaimer .disclaimer-title-row {
    flex-wrap: wrap;
    gap: 0.65rem;
  }
  .page-disclaimer .disclaimer-icon {
    width: 44px;
    height: 44px;
  }
  .page-disclaimer .disclaimer-title {
    font-size: 1.35rem;
  }
  .page-disclaimer .disclaimer-intro {
    font-size: 0.9rem;
    padding-left: 1rem;
    margin-top: 0.5rem;
  }
  .page-disclaimer .disclaimer-section {
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1rem 1rem 1rem;
    border-left-width: 3px;
  }
  .page-disclaimer .section-number {
    font-size: 1.8rem;
    min-width: auto;
    padding-top: 0;
  }
  .page-disclaimer .section-title {
    font-size: 1.08rem;
  }
  .page-disclaimer .section-summary {
    font-size: 0.88rem;
  }
  .page-disclaimer .details-summary {
    font-size: 0.82rem;
    padding: 0.25rem 0.4rem;
  }
  .page-disclaimer .details-body {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
  }
  .page-disclaimer .disclaimer-update {
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.75rem 1rem;
    font-size: 0.82rem;
  }
  .page-disclaimer .update-hint {
    margin-left: 0;
    width: 100%;
    font-size: 0.72rem;
  }
  .page-disclaimer .disclaimer-update[data-tooltip]:hover::after {
    left: 0.75rem;
    right: 0.75rem;
    max-width: none;
    font-size: 0.75rem;
  }
  .page-disclaimer .footer-silhouette {
    max-height: 120px;
    opacity: 0.35;
  }
}

/* ========== 桌面端微调 ========== */
@media (min-width: 1024px) {
  .page-disclaimer {
    padding: 2.5rem 2.5rem 4rem;
  }
  .page-disclaimer .disclaimer-title {
    font-size: 2.2rem;
  }
  .page-disclaimer .disclaimer-section {
    padding: 1.75rem 2rem 1.75rem 2rem;
  }
  .page-disclaimer .section-number {
    font-size: 2.8rem;
    min-width: 3rem;
  }
}